Essel Mining & Industries Deputy Manager Interview Questions and Answers

Q1. Explain GTG Operation and load sharing
Ans. 
GTG operation involves multiple generators working together to share the load and ensure continuous power supply.
• GTG stands for Gas Turbine Generator

• In GTG operation, multiple generators are synchronized to work together

• Load sharing ensures that the power demand is distributed evenly among the generators

• This helps in maintaining a stable power supply and prevents overloading of any single generator
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Q1. Rope dia calculation for given capacity of overhead crane.
Ans. 
Calculate rope diameter based on overhead crane capacity
• Calculate the weight of the load the crane will be lifting

• Determine the maximum load capacity of the crane

• Use the formula: Rope diameter = (Load weight / (2 * Safe working load * Safety factor * π))^0.5

• For example, if the load weight is 10 tons, safe working load is 5 tons, and safety factor is 2, the rope diameter would be calculated as: (10000 / (2 * 5 * 2 * 3.1
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Q2. Centrifugal pump efficiency curves
Ans. 
Centrifugal pump efficiency curves show the relationship between flow rate and efficiency of the pump.
• Efficiency curves help in selecting the right pump for a specific application

• They provide information on the pump's performance at different operating points

• Efficiency curves typically have a peak efficiency point and a best efficiency point (BEP)

• Understanding these curves can help in optimizing pump performance and en
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Q3. Cost of solenoid valve and servo.
Ans. 
The cost of solenoid valves and servos can vary depending on the brand, size, and quality.
• Cost of solenoid valves can range from $10 to $1000+ depending on size and brand.

• Servos can cost anywhere from $20 to $500+ depending on torque and brand.

• Higher quality solenoid valves and servos may have a higher price tag.

• Consider factors like durability, performance, and warranty when comparing costs.
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Q1. Compensating salary by giving 2 jump on post
Ans. But I didn't accepted their condition and said NO for job. Finally they agreed and at present I am working here.
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Q1. Quation related siemens plc automation and dc/ ac motors/drives
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Aptitude test was easy and online test was taken

Q1. Thermodynamics What is property What is state Laws of TD
Ans. 
Properties in thermodynamics refer to characteristics of a system, state refers to the condition of a system at a specific time, and laws of thermodynamics govern energy transfer and transformation.
• Property in thermodynamics: Any characteristic of a system that can be measured, such as temperature, pressure, or volume.

• State in thermodynamics: The condition of a system at a specific time, described by its properties.

• Law...read more
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Q2. SOM questions Modulous of rigidity Stiffness
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Q1. What are your further plans?
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Q2. Ready or not for relocation.
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Q1. About current company
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Q2. About the company and there products
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Q1. Regarding personal information
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Q2. Why you want to switch your Job..??
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Q3. Reason to relocate..??
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Q1. What are the safety norms and company acts..?
Ans. 
Safety norms and company acts are regulations and guidelines put in place to ensure the safety and well-being of employees in the workplace.
• Safety norms include wearing personal protective equipment (PPE) such as helmets, gloves, and safety shoes.

• Company acts may include regular safety training sessions for employees to educate them on potential hazards and how to prevent accidents.

• Safety norms also cover emergency pro...read more
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Q2. Standards and Lean manufacturing
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Q1. Interview with VP
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Q1. Details of power station design
Ans. 
Power station design involves the planning and construction of facilities that generate electricity.
• Design includes selection of appropriate technology and equipment

• Consideration of environmental impact and safety measures

• Layout and construction of buildings and infrastructure

• Integration with power grid and transmission systems

• Examples include thermal power plants, hydroelectric power plants, and wind farms
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Q2. Efficiency of Power station
Ans. 
Efficiency of a power station is the ratio of output power to input power.
• Efficiency can be improved by using advanced technologies and equipment.

• Regular maintenance and cleaning of equipment can also improve efficiency.

• Efficiency can be affected by factors such as fuel quality, weather conditions, and demand for electricity.

• For example, a power station using combined cycle technology can achieve an efficiency of up to...read more
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